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Worksheetsscience
Total questions: 24
Worksheet time: 13mins
What is the chemical name of water
H1O
O2H
H01
H2O
What is the chemical name of carbon dioxide?
H02
CO2
C2O
CHO
what reacts with baking soda which leads to a explosion?
vinegar
lemon juice
water
fizzy drinks
what kind of candy reacts with Coke?
smarties
gummy bears
mentos
chocolate ice cream
how many elements are in the periodic table?
110
181
118
188
which one is a common metals?
alumnium
bismuth
arsenic
silcon
What is Newton's first law of motion?
Every action has an equal opposite reaction
An object in motion stays in motion unless acted upon by an unbalanced force
The force acting on an object is equal to the mass of an object times its acceleration
Sandwich
What is the molecular structure of table salt?
Sandwich
Molecular who?
H2O
NaCl
Biology is the study of what?
Life
Sandwich
The human brain
Weather
What female Nobel Prize winner conducted research on radioactivity?
Sandwich
Tierra Guinn
Marie Curie
Isaac Newton
Who was Dimitri Ivanovich Mendeleev?
Periodic table inventor
Sandwich
A singer
An Astronomer
A low voice has...
Short wavelengths
No wavelengths
Sandwich
Long wavelengths
How long does it take for light to get from the Sun to the Earth?
150 million years
10 seconds
8 minutes
Sandwich
What is known as the most dangerous metal ?
plutonium
alumnium
On adding iodine solution to starch, it _______________.
Turns blue-black
Turns green
Remains colourless
Turns red
The silk worm spins cocoon in the pattern of ___________.
0
1
6
8
Which one of the following is parasite?
Lichens
Algae
Cuscuta
Fungus
The pitcher of pitcher plant is a modified __________.
Root
Stem
Flowers
Leaves
The process of obtaining silk fibre from cocoons is called _________.
Shearing
Scouring
Reeling
Combing
Bacteria act on the left over food in the teeth and form _________.
Acids
Bases
Salts
Indicators
Fat is completely digested in the __________.
Stomach
Mouth
Small intestine
Large intestine
The Chlorophyll traps the solar energy and converts it into _________ energy.
Mechanical
Chemical
Magnetic
Electrical
Which is the term related to silk production?
Sericulture
Pisciculture
Horticulture
Apiculture
We keep a healthy potted plant on a dark room for some days to _________ the leaves.
Decolourise
Defragment
Destarch
Deprotein
